:root{--primary-color: #F5A623;--primary-hover: #E6971E;--primary-active: #D48A19;--secondary-color: #6B2D8B;--success-color: #52c41a;--warning-color: #faad14;--error-color: #ff4d4f;--text-color: rgba(0, 0, 0, .85);--text-secondary: rgba(0, 0, 0, .45);--border-color: #f0f0f0;--bg-color: #f5f5f5}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-width:1280px}#root{height:100vh}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#fff8ed,#f5f5f7,#fff3e0)}.login-card{width:400px;padding:40px;background:#fff;border-radius:12px;box-shadow:0 8px 32px #00000026}.login-logo{text-align:center;margin-bottom:32px}.login-logo .logo-img{width:64px;height:64px;margin:0 auto 8px;border-radius:16px;object-fit:contain}.login-logo h1{font-size:28px;color:var(--primary-color);font-weight:700;margin-top:12px}.login-logo p{color:var(--text-secondary);font-size:14px;margin-top:4px}.stat-card{background:#fff;border-radius:8px;padding:20px 24px;display:flex;align-items:center;gap:16px;box-shadow:0 1px 4px #0000000d;transition:box-shadow .3s}.stat-card:hover{box-shadow:0 4px 12px #0000001a}.stat-card .stat-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff}.stat-card .stat-content{flex:1}.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--text-color);line-height:1.2}.stat-card .stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}.stat-card .stat-change{font-size:12px;margin-top:4px}.stat-card .stat-change.up{color:var(--success-color)}.stat-card .stat-change.down{color:var(--error-color)}.chart-card{background:#fff;border-radius:8px;padding:20px 24px;box-shadow:0 1px 4px #0000000d;margin-top:16px}.chart-card .chart-title{font-size:16px;font-weight:600;color:var(--text-color);margin-bottom:16px}.page-container{padding:0}.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-dot.online,.status-dot.connected,.status-dot.normal{background-color:var(--success-color);box-shadow:0 0 6px #52c41a66}.status-dot.offline,.status-dot.disconnected,.status-dot.down{background-color:var(--error-color);box-shadow:0 0 6px #ff4d4f66}.status-dot.degraded,.status-dot.reconnecting{background-color:var(--warning-color);box-shadow:0 0 6px #faad1466}.admin-layout{min-height:100vh}.admin-layout .ant-layout-sider{box-shadow:2px 0 8px #0000000d}.admin-header{background:#fff;padding:0 24px;display:flex;align-items:center;justify-content:flex-end;box-shadow:0 1px 4px #0000000d;height:64px}.admin-content{padding:24px;background:var(--bg-color);min-height:calc(100vh - 64px)}.sidebar-logo{height:64px;display:flex;align-items:center;justify-content:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.1);padding:0 16px}.sidebar-logo .logo-img{width:32px;height:32px;border-radius:8px;object-fit:contain;flex-shrink:0}.sidebar-logo h2{color:#fff;font-size:18px;font-weight:700;margin:0;white-space:nowrap;overflow:hidden}.sidebar-logo .logo-icon{font-size:28px;color:var(--primary-color)}.message-list{max-height:500px;overflow-y:auto;padding:16px}.message-item{margin-bottom:16px;display:flex;gap:12px}.message-item.user{flex-direction:row-reverse}.message-bubble{max-width:70%;padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.6}.message-item.user .message-bubble{background:#f5a623;color:#fff;border-top-right-radius:4px}.message-item.assistant .message-bubble{background:#f0f0f0;color:var(--text-color);border-top-left-radius:4px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#bfbfbf}